Lenovo i909 Bakım Kılavuzu - Sayfa 20
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I908 Mobile Phone Maintenance Manual
4 Radiofrequency (RF)
4.1 Problems during Software Download
Problem: The software cannot be downloaded properly.
Causes: The baseband chip has been fitted the wrong way round or there are problems
with the soldering point; Pseudo soldering on CRYSTAL.
Solution:
The software
Check whether the baseband
chip has been fitted the wrong
Check U1101 for possible pseudo
Check whether the crystal （X2101）
Respectively check X2101 and C2104 and C2148 of
U2101 at Pin31for possible pseudo soldering
Re-solder the pseudo
soldering assemblies
Please re-download the software after replacing the defective assemblies.
cannot be
Y
N
Y
N
Y
N
LENOVO
Re-solder U1101
Re-solder U1101
Re-solder X2101
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